//===-- Execution.cpp - Implement code to simulate the program ------------===//
//
// This file contains the actual instruction interpreter.
//
//===----------------------------------------------------------------------===//
#include "Interpreter.h"
#include "ExecutionAnnotations.h"
#include "llvm/iPHINode.h"
#include "llvm/iOther.h"
#include "llvm/iTerminators.h"
#include "llvm/iMemory.h"
#include "llvm/Type.h"
#include "llvm/ConstantVals.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/Target/TargetData.h"
#include "llvm/GlobalVariable.h"
#include "Support/CommandLine.h"
#include <math.h> // For fmod
#include <signal.h>
#include <setjmp.h>
#include <iostream>
using std::vector;
using std::cout;
using std::cerr;
cl::Flag QuietMode ("quiet" , "Do not emit any non-program output");
cl::Alias QuietModeA("q" , "Alias for -quiet", cl::NoFlags, QuietMode);
cl::Flag ArrayChecksEnabled("array-checks", "Enable array bound checks");
// Create a TargetData structure to handle memory addressing and size/alignment
// computations
//
static TargetData TD("lli Interpreter");
CachedWriter CW; // Object to accelerate printing of LLVM
#ifdef PROFILE_STRUCTURE_FIELDS
static cl::Flag ProfileStructureFields("profilestructfields",
"Profile Structure Field Accesses");
#include <map>
static std::map<const StructType *, vector<unsigned> > FieldAccessCounts;
#endif
sigjmp_buf SignalRecoverBuffer;
static bool InInstruction = false;
extern "C" {
static void SigHandler(int Signal) {
if (InInstruction)
siglongjmp(SignalRecoverBuffer, Signal);
}
}
static void initializeSignalHandlers() {
struct sigaction Action;
Action.sa_handler = SigHandler;
Action.sa_flags = SA